package com.hong.spring.provider;

import com.hong.spring.api.IUserService;
import com.hong.spring.dao.UserMapper;
import com.hong.spring.entity.User;
import com.hong.spring.entity.ao.UserAO;
import com.hong.spring.utils.DataResponse;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;

import java.util.List;


/**
 * @Auther: csh
 * @Date: 2020/8/18 15:16
 * @Description:用户实现
 */
@Service("userService")
public class UserServiceImpl implements IUserService {
    @Autowired
    private UserMapper userDao;

    @Override
    public DataResponse<List<User>> findByAll() {
        List <User> allUserList = userDao.findAllUserList();
        int allTotal = userDao.findAllTotal();
        return DataResponse.BuildSuccessResponse(allUserList,allTotal);
    }
    @Override
    @Transactional
    public DataResponse <Boolean> save(User user) {
        if(null==user){
            return DataResponse.BuildFailResponse("必传参数不能为空!");
        }
        int save = userDao.save(user);
        return DataResponse.BuildSuccessResponse(save>0?true:false);
    }

    @Override
    public DataResponse <Boolean> insertBatch(List <User> list) {
        if(null==list){
            return DataResponse.BuildFailResponse("参数不能为空!");
        }
        int batchSave = userDao.insertBatch(list);
        return DataResponse.BuildSuccessResponse(batchSave>0?true:false);
    }

    @Override
    @Transactional
    public DataResponse <Boolean> update(User user) {
        if(null==user || user.getId()==null){
            return DataResponse.BuildFailResponse("必传参数不能为空!");
        }
        int update = userDao.update(user);
        return DataResponse.BuildSuccessResponse(update>0?true:false);
    }
    @Override
    public DataResponse <User> findById(int i) {
        User byId = userDao.findById(i);
        return DataResponse.BuildSuccessResponse(byId);
    }

    @Override
    public DataResponse <List <User>> findByPage(UserAO ao) {
        if(ao==null){
            ao.setPage(0);
            ao.setPageSize(10);
        }else{
            ao.setPage(ao.getPageSize() * ao.getPage());
        }
        int allTotal = userDao.findAllTotal();
        List <User> byPage = userDao.findByPage(ao);
        return DataResponse.BuildSuccessResponse(byPage,allTotal);
    }
}
